The short version
Bo De is a settled inner eastern neighbourhood between the central bridges and Long Bien’s larger growth areas. Older houses, schools and local commerce give it a domestic scale, while the river crossings keep traffic close. It suits someone who wants a local address with access to both sides of Hanoi.
Choose a lane rather than a main road frontage. The local streets are where the neighbourhood feels most coherent, but parking, light and drainage vary from building to building. The area is practical for daily errands and less convincing as a quiet retreat.
I would live here for an eastern commute and a modest, lived in street. Bo De’s strength is settlement, not spectacle.